A fishing village is terrorized by a giant whale, and the fishermen are determined to kill it.
Detective Goto, who had sniffed out drugs as the culprit behind the murder of an elderly woman, was run over and killed while pursuing the culprit. His younger brother Matabei vowed to challenge the culprit in front of his brother's grave. A fast-paced action-packed story.
Hayase, a schoolteacher, assists Sakai in editing a German-Japanese dictionary. Hayase owes much to Sakai, as Sakai raised him for 13 years after Hayase lost his parents in a war. Hayase has been secretly married to Otsuta, a former geisha, and has been unable to tell Sakai of the marriage, aware as he is that Sakai wants him to marry his daughter, Taeko. Otsuta wants Hayase to tell Sakai about her, but understands the difficulty of his position. At a festival, Otsuta is mistaken for a pickpocket and taken to the police. Because of her background as a geisha, newspaper reporters eagerly delve into her past and report that she has been married to Hayase. Unaware of what has been printed in the papers, Hayase decides to tell Sakai about his marriage. Sakai shows the newspaper to him and orders Hayase to part with Otsuta. Given no chance to explain, Hayase accepts Sakai's order.
A group of men obsessed with oil gather in a remote oil field region. Ichiro Kitazawa (Tatsuzaki) was one of them. He had a daughter-in-law named Harue Saijo (Takasugi), but he felt no affection for her. Ichiro, however, had spent the inheritance Harue had inherited from her father to find oil. Ichiro was now being bled by Butterfly (Hidaka), an eccentric female waitress at the Kinryu-tei. Harue took a train one day to visit Ichiro. She then befriended a man called Ken Matsuki (Dainikata), who had saved her from a crisis. Matsuki was a friend of Kitazawa, a man who was also passionate about the oil search.